Home / 127,517.76-191,054.97-89,486.37

Finding the Fourth Proportional to 127,517.76, 191,054.97 and 89,486.37

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Solution

The fourth proportional to 127,517.76, 191,054.97 and 89,486.37 is: 134,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,517.76 : 191,054.97 = 89,486.37 : x
  2. Step 2: Convert to fraction form
    127,517.76/191,054.97 = 89,486.37/x
  3. Step 3: Cross multiply
    127,517.76x = 191,054.97 × 89,486.37
  4. Step 4: Simplify right side
    127,517.76x = 17,096,815,735.76
  5. Step 5: Solve for x
    x = 17,096,815,735.76/127,517.76
  6. Step 6: Final answer
    x = 134,074.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.